Except the requirement in the challenge is the each character in your answer has to be individually valid, and no character would be individually valid if everything was an error
@cairdcoinheringaahing: A user does not get long suspensions for single messages. If you look at Dennis's answer, you'll see that it's because he's been warned many times and asked many times not to post such off-topic things, and he's ignored almost all, if not all of these warnings, which resulted in a much longer suspension. You will not be suspended for a long time just for a single off-topic message.
In general, it's best to not discuss suspensions in public. For those of you who can see it, Dennis's answer nicely explains why. For everyone else, believe that it was justified and try to stop discussing it
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Ninjas in a Chat Log
code-golf text-processing
Often in chat, someone will ask a question, and multiple people will answer it at the same time. Usually, the person who was beaten to the gun will say "ninja'd", creating even more unnecessary chat.
Given a chat log similar to the following:
Com...
> The compiler/interpreter/runtime must give an error when given any source code that contains your string as a substring. The error does not have to be the same across programs - one embedding of your string might cause a syntax error, while another might cause a runtime error.